130844025 has 144 divisors (see below), whose sum is σ = 275934720. Its totient is φ = 60652800.

The previous prime is 130844023. The next prime is 130844047. The reversal of 130844025 is 520448031.

It is not a de Polignac number, because 130844025 - 2¹ = 130844023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 130844025.

It is not an unprimeable number, because it can be changed into a prime (130844023) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3536307 + ... + 3536343.

Almost surely, 2^130844025 is an apocalyptic number.

130844025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130844025 is an abundant number, since it is smaller than the sum of its proper divisors (145090695).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130844025 is a wasteful number, since it uses less digits than its factorization.

130844025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 130844025 is about 11438.7073133287. The cubic root of 130844025 is about 507.6736607105.

The spelling of 130844025 in words is "one hundred thirty million, eight hundred forty-four thousand, twenty-five".